<template>
  <div class="login-page">
    <van-nav-bar title="面经登录" />
    <!-- 一旦表单提交,就会出发submit, 可以在submit事件中拿到表单的数据等 发请求(axios) -->
    <van-form @submit="onSubmit">
      <van-field
        v-model="username"
        name="username"
        label="用户名"
        placeholder="用户名"
        :rules="[
          { required: true, message: '请填写用户名' },
          { pattern: /^\w{5,}/, message: '用户名至少包含5个字符' },
        ]"
      />
      <van-field
        v-model="password"
        type="password"
        name="password"
        label="密码"
        placeholder="密码"
        :rules="[
          { required: true, message: '请填写密码' },
          { pattern: /^\w{6,}/, message: '密码至少包含6个字符' },
        ]"
      />
      <div style="margin: 16px">
        <van-button block type="info" native-type="submit">登录</van-button>
      </div>
    </van-form>
    <router-link class="link" to='/register'>注册账号</router-link>
  </div>
</template>

<script>
import { login } from '@/api/user'
import { setItem } from '@/utils/storage'
// toast的两种使用方式
// 1. 按引入使用
// 2. 注意: 组件内  通过this.$toast调用
// import { Toast } from 'vant'
export default {
  name: 'login-page',
  data () {
    return {
      username: 'laohan',
      password: '123456'
    }
  },
  methods: {
    async onSubmit (values) {
      console.log('submit', values)
      // Toast('提示内容,好好学习')
      // this.$toast('还是要好好学习')
      const { data } = await login(values)
      console.log(data)
      // 存token
      setItem(data.token)
      // 给成功提示
      this.$toast.success('登录成功')
      // 跳转到首页
      this.$router.push('/')
    }
  }
}
</script>

<style lang="less" scoped>
.link {
  color: #069;
  font-size: 12px;
  padding-right: 20px;
  float: right;
}
</style>
